1. M.D. Rayman, The Deep Space 1 extended mission: challenges in preparing for an encounter with comet Borrelly, IAF Paper IAF-01-Q.5.01, October 2001.
2. J. Kawaguchi, K.T.K. Uesugi, Technology development status of the Muses-C sample and return project, IAF Paper IAF-99-IAA.11.2.02, October 1999.
3. R. Killinger, et al., ARTEMIS orbit-raising inflight experience with ion propulsion, IEPC Paper 03-096, March 2003.
4. G.D. Racca, B.H. Foing, P. Rathsman, An overview on the status of the SMART-1 mission, IAF Paper IAA-99-IAA.11.2.09, October 1999.
5. N. Wells, D. Fearn, Minimising the size and mass of interplanetary spacecraft, IAF Paper IAF-01-Q.5.07, October 2001.